examples/s4u/replay-comm/s4u-replay-comm.cpp

   1 /* Copyright (c) 2009-2020. The SimGrid Team. All rights reserved.          */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 #include "simgrid/s4u.hpp"
   7 #include "xbt/replay.hpp"
   8 #include "xbt/str.h"
   9 #include <boost/algorithm/string/join.hpp>
  10 #include <cinttypes>
  11 #include <string>
  12
  13 XBT_LOG_NEW_DEFAULT_CATEGORY(replay_comm, "Messages specific for this msg example");
  14
  15 #define ACT_DEBUG(...)                                                                                                 \
  16   if (XBT_LOG_ISENABLED(replay_comm, xbt_log_priority_verbose)) {                                                   \
  17     std::string NAME = boost::algorithm::join(action, " ");                                                            \
  18     XBT_DEBUG(__VA_ARGS__);                                                                                            \
  19   } else                                                                                                               \
  20   ((void)0)
  21
  22 static void log_action(const simgrid::xbt::ReplayAction& action, double date)
  23 {
  24   if (XBT_LOG_ISENABLED(replay_comm, xbt_log_priority_verbose)) {
  25     std::string s = boost::algorithm::join(action, " ");
  26     XBT_VERB("%s %f", s.c_str(), date);
  27   }
  28 }
  29
  30 class Replayer {
  31 public:
  32   explicit Replayer(std::vector<std::string> args)
  33   {
  34     const char* actor_name     = args.at(0).c_str();
  35     const char* trace_filename = args.size() > 1 ? args[1].c_str() : nullptr;
  36     simgrid::xbt::replay_runner(actor_name, trace_filename);
  37   }
  38
  39   void operator()() const
  40   {
  41     // Nothing to do here
  42   }
  43
  44   /* My actions */
  45   static void compute(simgrid::xbt::ReplayAction& action)
  46   {
  47     double amount = std::stod(action[2]);
  48     double clock  = simgrid::s4u::Engine::get_clock();
  49     ACT_DEBUG("Entering %s", NAME.c_str());
  50     simgrid::s4u::this_actor::execute(amount);
  51     log_action(action, simgrid::s4u::Engine::get_clock() - clock);
  52   }
  53
  54   static void send(simgrid::xbt::ReplayAction& action)
  55   {
  56     auto size                 = static_cast<uint64_t>(std::stod(action[3]));
  57     auto* payload             = new std::string(action[3]);
  58     double clock              = simgrid::s4u::Engine::get_clock();
  59     simgrid::s4u::Mailbox* to = simgrid::s4u::Mailbox::by_name(simgrid::s4u::this_actor::get_name() + "_" + action[2]);
  60     ACT_DEBUG("Entering Send: %s (size: %" PRIu64 ") -- Actor %s on mailbox %s", NAME.c_str(), size,
  61               simgrid::s4u::this_actor::get_cname(), to->get_cname());
  62     to->put(payload, size);
  63     delete payload;
  64
  65     log_action(action, simgrid::s4u::Engine::get_clock() - clock);
  66   }
  67
  68   static void recv(simgrid::xbt::ReplayAction& action)
  69   {
  70     double clock = simgrid::s4u::Engine::get_clock();
  71     simgrid::s4u::Mailbox* from =
  72         simgrid::s4u::Mailbox::by_name(std::string(action[2]) + "_" + simgrid::s4u::this_actor::get_name());
  73
  74     ACT_DEBUG("Receiving: %s -- Actor %s on mailbox %s", NAME.c_str(), simgrid::s4u::this_actor::get_cname(),
  75               from->get_cname());
  76     from->get();
  77     log_action(action, simgrid::s4u::Engine::get_clock() - clock);
  78   }
  79 };
  80
  81 int main(int argc, char* argv[])
  82 {
  83   simgrid::s4u::Engine e(&argc, argv);
  84
  85   xbt_assert(argc > 2,
  86              "Usage: %s platform_file deployment_file [action_files]\n"
  87              "\t# if all actions are in the same file\n"
  88              "\tExample: %s platform.xml deployment.xml actions\n"
  89              "\t# if actions are in separate files, specified in deployment\n"
  90              "\tExample: %s platform.xml deployment.xml ",
  91              argv[0], argv[0], argv[0]);
  92
  93   e.load_platform(argv[1]);
  94   e.register_actor<Replayer>("p0");
  95   e.register_actor<Replayer>("p1");
  96   e.load_deployment(argv[2]);
  97
  98   /*   Action registration */
  99   xbt_replay_action_register("compute", Replayer::compute);
 100   xbt_replay_action_register("send", Replayer::send);
 101   xbt_replay_action_register("recv", Replayer::recv);
 102
 103   std::ifstream ifs;
 104   if (argv[3]) {
 105     ifs.open(argv[3], std::ifstream::in);
 106     simgrid::xbt::action_fs = &ifs;
 107   }
 108
 109   e.run();
 110
 111   simgrid::xbt::action_fs = nullptr;
 112
 113   XBT_INFO("Simulation time %g", e.get_clock());
 114
 115   return 0;
 116 }